Publications by authors named "Nojiri K"

Background: Effective nutritional support is essential for maintaining good performance during exercise. Taste and olfaction are key senses for food intake, and understanding how their sensitivities change during exercise is important for effective nutritional support. However, the effects of exercise on taste and odor sensitivities remain unclear.

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Small bowel adenocarcinoma (SBA) is a relatively rare disease that is difficult to detect in the early stages; therefore, it often has a poor prognosis. We present a rare case of SBA and multiple liver metastases in a patient who underwent curative resection combined with neoadjuvant chemotherapy (NAC). A 70-year-old woman presented to the emergency department complaining of abdominal pain and bloating.

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Background/aim: Ischemic stroke is a major health concern globally and developing reliable animal models is crucial for understanding its pathophysiology. This study evaluated the relationship between cerebral angiographic findings and neurologic dysfunction in an acute non-human primate thromboembolic stroke model and determined the minimum clot length for suitable middle cerebral artery (MCA) occlusion.

Materials And Methods: A thromboembolic stroke model was developed by injecting autologous blood clots (length: 1, 2, 3, 4, 5, and 10 cm, n=1 to 3, 14 monkeys in total) into the internal carotid artery of male cynomolgus monkeys.

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A 25-year-old male received palliative total gastrectomy plus D1 dissection plus Roux-en-Y reconstruction for hemorrhagic gastric cancer with left Virchow lymph node metastasis in 2013. The final diagnosis was Type 2, pT4a(se), pap>tub2 >hepatoid adenocarcinoma, pN3b, sM1, fStage Ⅳ. Because AFP was as high as 11,000 ng/mL, he was diagnosed with AFP-producing gastric cancer and started S-1 plus CDDP therapy.

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Vitamin D (VD) exerts a wide variety of biological functions including calcemic activity. VD nutritional status is closely associated with the onset and development of chronic diseases. To develop a VD analog with the desired VD activity but without calcemic activity, we screened synthetic VDR antagonists.

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Vitamin D (VD) exerts a wide variety of biological actions in addition to its well-known roles in calcium homeostasis. Nutritional VD deficiency induces rachitic abnormalities in growing children and osteomalacia in adults, and it has been proposed to underlie the onset and development of multiple non-communicable chronic diseases. Therefore, the administration of VD or synthetic VD analogues represents a promising therapeutic strategy; indeed, VD and a VD agonist have shown clinical promise in mitigating osteoporosis and symptoms of insufficient calcium intake.

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Drooling represents a common and noteworthy symptom in patients with intractable neuromuscular disease (IND) and cerebral palsy (CP) and can lead to poor quality of life (QOL) and higher incidence of death due to aspiration of saliva. Identifying the factors affecting drooling is crucial to improving QOL and improving the poor prognosis of patients with IND and CP. This study sought to assess the prevalence of drooling and to elucidate the associated factors, drugs, and differences between patients with IND and CP.

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Background: The effects of dietary patterns on health outcome of lactating women remain unclear.

Objectives: To describe the dietary patterns of lactating Japanese women and explore the association between dietary patterns and their general health.

Methods: This study included 1096 lactating women from the Japanese Human Milk Study Cohort.

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Article Synopsis
  • The study assessed the safety and effectiveness of using aggressive hydration and rectal non-steroidal anti-inflammatory drugs to prevent pancreatitis after an ERCP procedure.
  • Conducted at 12 medical centers with 231 patients, the trial found that only 5.6% developed post-endoscopic retrograde cholangiopancreatography pancreatitis (PEP) after treatment.
  • Results indicate that this combined approach is a safe and effective preventive strategy, including for elderly patients.
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Phytosphingosine (PHS) is a sphingolipid component present mainly in epithelial tissues, including the epidermis and those lining the digestive tract. DEGS2 is a bifunctional enzyme that produces ceramides (CERs) containing PHS (PHS-CERs) via hydroxylation and sphingosine-CERs via desaturation, using dihydrosphingosine-CERs as substrates. Until now, the role of DEGS2 in permeability barrier functioning, its contribution to PHS-CER production, and the mechanism that differentiates between these two activities have been unknown.

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The patient was a 57-year-old woman. She was referred to our hospital because severe anemia. Upper gastrointestinal endoscopy revealed polyposis throughout the stomach and lobulated polyps in cardia, greater curve of middle body of the stomach, and angulus.

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A retrospective multicenter study. Body mass index (BMI) is recognized as an important determinant of osteoporosis and spinal postoperative outcomes; however, the specific impact of BMI on surgery for osteoporotic vertebral fractures (OVFs) remains inconclusive. This retrospective multicenter study investigated the impact of BMI on clinical outcomes following fusion surgery for OVFs.

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A 14-year-old, male sugar glider presented with lethargy, anorexia, diarrhea, and paralysis of the hind limbs, and ultrasonography showed possible liver dysfunction. Some medications were administered, but the animal died 10 months after the first presentation, and a necropsy was performed. Histopathologically, hepatocellular degeneration and necrosis, severe deposition of hemosiderin in Kupffer cells and hepatocytes, bridging fibrosis, and regenerative nodules were observed in the liver.

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Article Synopsis
  • The Japanese Human Milk Study aims to explore how various factors like maternal health and lifestyle impact breastfeeding practices and the composition of human milk to understand their effects on infant and child development.
  • A total of 1122 lactating women participated in the study, showing a relatively healthy sample group with a mean age of 31.2 years and a high percentage with college education.
  • Future plans include ongoing monthly milk sample collection and health surveys to analyze changes in milk composition and the influence of lifestyle factors on maternal and child health until the children are five years old.*
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Study Design: Retrospective multicenter study.

Objective: To compare the surgical outcomes and complications of posterior decompression between individuals with cervical spondylotic myelopathy (CSM) and those with ossification of the posterior longitudinal ligament (OPLL).

Setting: Seventeen medical institutions in Japan.

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Age-related changes in the posterior extensor muscles of the cervical and lumbar spine have been reported in some studies; however, longitudinal changes in the thoracic spine of healthy subjects are rarely reported. Therefore, this study aimed to evaluate changes in the cross-sectional areas (CSAs) of posterior extensor muscles in the thoracic spine over 10 years and identify related factors. The subjects of this study were 85 volunteers (mean age: 44.

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Article Synopsis
  • The study examined the link between parenting stress and the type of breastfeeding (exclusive vs. partial) among 1210 mothers in Japan from 2014 to 2019.
  • Results showed higher parenting stress related to childcare exhaustion and worries about child development in mothers who partially breastfed compared to those who breastfed exclusively at two months, but the difference disappeared by six months.
  • The findings suggest that addressing parenting stress in the early postpartum period could help support longer exclusive breastfeeding durations.
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  • A 75-year-old man was diagnosed with esophagogastric junction (EGJ) cancer after showing wall thickening, and further tests revealed a splenic tumor as well.
  • He underwent extensive surgery including total gastrectomy and splenectomy, and was found to have neuroendocrine carcinoma and splenic malignant lymphoma.
  • Post-surgery, he received adjuvant chemotherapy with S-1 and showed no signs of recurrence after five months, marking a rare case of EGJ cancer associated with splenic lymphoma.
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A 73‒year‒old man, living in the United States since 1985, visited the University of Minnesota Medical Center with a complaint of upper abdominal pain in December 2019. Gastroendoscopy revealed a depressed lesion in the U area of the stomach, and the biopsy results indicated a diagnosis of por/sig. On further examination, the condition was diagnosed as gastric cancer of cStage II/III.

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Anastomotic leakage after intestinal resection is one of the most serious complications of surgical intervention for hollow viscus injury. Adequate vascular perfusion of the anastomotic site is essential to prevent anastomotic leakage. Near-infrared imaging using indocyanine green (NIR-ICG) is useful for the objective assessment of vascular perfusion.

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Article Synopsis
  • Sjögren-Larsson syndrome (SLS) is a genetic disorder linked to the fatty aldehyde dehydrogenase gene ALDH3A2, which affects skin health.
  • Research using double-knockout (DKO) mice showed that the absence of this gene led to skin issues, including hyperkeratosis and reduced ability to maintain skin barrier function due to lower levels of important skin lipids called acylceramides.
  • The study suggests that fatty aldehydes accumulating in these mice may inhibit the enzyme responsible for producing acylceramides, shedding light on the molecular mechanisms behind SLS skin symptoms.
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Study Design: A longitudinal, 20-year comparative study of patients with whiplash-associated disorders (WAD).

Objective: The aim of this study was to clarify the long-term impact of WAD on patient symptoms and on magnetic resonance imaging (MRI) findings of the cervical spine, in comparison with asymptomatic volunteers.

Summary Of Background Data: The long-term impact of WAD has not been fully elucidated.

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Article Synopsis
  • This study analyzed the surgical outcomes of posterior decompression for cervical spondylotic myelopathy (CSM) in diabetic versus nondiabetic patients using data from 675 individuals across multiple centers.
  • Diabetic patients had lower Japanese Orthopedic Association (JOA) scores before and after surgery compared to nondiabetic patients, indicating worse outcomes, although the improvement between the two groups was statistically similar.
  • Despite the differences in scores, the pain relief (measured by the visual analog scale) was comparable between the two groups, suggesting that diabetes did not significantly affect pain outcomes after surgery for CSM.
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